Name: Bifidobacterium longum subsp. suillum Yanokura et al. 2015

Category: Subspecies

Proposed as: subsp. nov.

Etymology: su.il’lum. L. neut. adj. suillum, pertaining to swine

Pronunciation (Latin), gender: bi-fi-do-bak-TE-ri-um LON-gum su-IL-lum, neuter

Type strain: DSM 28597; JCM 19995; Su 851

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB924532 Analyse FASTA

Effective publication: Yanokura E, Oki K, Makino H, Modesto M, Pot B, Mattarelli P, Biavati B, Watanabe K. Subspeciation of Bifidobacterium longum by multilocus approaches and amplified fragment length polymorphism: Description of B. longum subsp. suillum subsp. nov., isolated from the faeces of piglets. Syst Appl Microbiol 2015; 38:305-314. 🇯🇵

IJSEM list: Oren A, Garrity GM. Validation list no. 166. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2015; 65:3763-3767.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Bifidobacterium longum Reuter 1963 (Approved Lists 1980)

Assigned by: Yanokura E, Oki K, Makino H, Modesto M, Pot B, Mattarelli P, Biavati B, Watanabe K. Subspeciation of Bifidobacterium longum by multilocus approaches and amplified fragment length polymorphism: Description of B. longum subsp. suillum subsp. nov., isolated from the faeces of piglets. Syst Appl Microbiol 2015; 38:305-314. 🇯🇵

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Record number: 793058